Title
First evidence of high knockdown resistance frequency in **Anopheles arabiensis** (Diptera: Culicidae) from Ethiopia
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Pharmacy
Publication type
article
Publication
Baltimore, Md ,
Subject
Human medicine
Source (journal)
The American journal of tropical medicine and hygiene. - Baltimore, Md
Volume/pages
83(2010) :1 , p. 122-125
ISSN
0002-9637
ISI
000279366300025
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
The status of knockdown resistance (kdr) mutation was investigated in the major malaria vector Anopheles arabiensis Patton (Diptera: Culicidae) from Ethiopia. Among 240 mosquito samples from 15 villages of southwestern Ethiopia that were screened by allele-specific polymerase chain reaction for kdr mutations, the West African kdr mutation (L1014F) was detected in almost all specimens (98.5%), whereas the East African kdr mutation (L1014S) was absent. Moreover, the mortality of An. gambiae s.l. to diagnostic dosages of 4% DDT, 0.75% permethrin, and 0.05% deltamethrin from bioassay results was 1.0%, 18.1%, and 82.2%, respectively. We report here the highest kdr allele frequency ever observed in An. arabiensis and its implications in malaria vector control in Ethiopia are discussed.
E-info
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